juce_ToolbarItemPalette.cpp

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 /*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
ToolbarItemPalette::ToolbarItemPalette (ToolbarItemFactory& tbf, Toolbar& bar)
    : factory (tbf), toolbar (bar)
{
    auto* itemHolder = new Component();
    viewport.setViewedComponent (itemHolder);
 
    Array<int> allIds;
    factory.getAllToolbarItemIds (allIds);
 
    for (auto& i : allIds)
        addComponent (i, -1);
 
    addAndMakeVisible (viewport);
}
 
ToolbarItemPalette::~ToolbarItemPalette()
{
}
 
//==============================================================================
void ToolbarItemPalette::addComponent (const int itemId, const int index)
{
    if (auto* tc = Toolbar::createItem (factory, itemId))
    {
        items.insert (index, tc);
        viewport.getViewedComponent()->addAndMakeVisible (tc, index);
        tc->setEditingMode (ToolbarItemComponent::editableOnPalette);
    }
    else
    {
        jassertfalse;
    }
}
 
void ToolbarItemPalette::replaceComponent (ToolbarItemComponent& comp)
{
    auto index = items.indexOf (&comp);
    jassert (index >= 0);
    items.removeObject (&comp, false);
 
    addComponent (comp.getItemId(), index);
    resized();
}
 
void ToolbarItemPalette::resized()
{
    viewport.setBoundsInset (BorderSize<int> (1));
 
    auto* itemHolder = viewport.getViewedComponent();
 
    const int indent = 8;
    const int preferredWidth = viewport.getWidth() - viewport.getScrollBarThickness() - indent;
    const int height = toolbar.getThickness();
    auto x = indent;
    auto y = indent;
    int maxX = 0;
 
    for (auto* tc : items)
    {
        tc->setStyle (toolbar.getStyle());
 
        int preferredSize = 1, minSize = 1, maxSize = 1;
 
        if (tc->getToolbarItemSizes (height, false, preferredSize, minSize, maxSize))
        {
            if (x + preferredSize > preferredWidth && x > indent)
            {
                x = indent;
                y += height;
            }
 
            tc->setBounds (x, y, preferredSize, height);
 
            x += preferredSize + 8;
            maxX = jmax (maxX, x);
        }
    }
 
    itemHolder->setSize (maxX, y + height + 8);
}
 
//==============================================================================
std::unique_ptr<AccessibilityHandler> ToolbarItemPalette::createAccessibilityHandler()
{
    return std::make_unique<AccessibilityHandler> (*this, AccessibilityRole::group);
}
 
} // namespace juce